Fill in the blank. The author MAINLY explains the importance of Earth Day ____________.


A

by describing the context and consequences of the first Earth Day and how it spread worldwide

B

by focusing the article on the destruction of the Earth that was happening prior to Earth Day

C

by highlighting the success of the Environmental Protection Agency at stopping pollution


D

by explaining how hard Senator Gaylord Nelson and Dennis Hayes had to work to put on the first Earth Day


no link or i will report